Source:http://linkedlifedata.com/resource/umls/id/C0597513
GO: The chemical reactions and pathways resulting in the formation of steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus; includes de novo formation and steroid interconversion by modification. [GOC:go_curators],CSP: anabolic formation of steroid compounds in organisms, living cells, or by subcellular fractions.